The scope, methods and plans of the state survey. 
By Freeman Ward. 
 - Vermillion,  University of South Dakota,  1916. 
 - 24 p. 
 - Its Bulletin  7 .
 - South Dakota.  State Geological and Natural History Survey.  Bulletin  7. .
<br/><br/><label>LCCN: </label>gs 17000191  
<br/><br/><label>Subjects--Corporate Names: </label><br/>South Dakota. State Geological and Natural History Survey. 
<br/><br/><label>LC Class. No.: </label>QE163  / .A3 no. 7